Home / 20,373,357.60-30,549,538.80-7,587,280.80

Finding the Fourth Proportional to 20,373,357.60, 30,549,538.80 and 7,587,280.80

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Solution

The fourth proportional to 20,373,357.60, 30,549,538.80 and 7,587,280.80 is: 11,377,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,357.60 : 30,549,538.80 = 7,587,280.80 : x
  2. Step 2: Convert to fraction form
    20,373,357.60/30,549,538.80 = 7,587,280.80/x
  3. Step 3: Cross multiply
    20,373,357.60x = 30,549,538.80 × 7,587,280.80
  4. Step 4: Simplify right side
    20,373,357.60x = 231,787,929,186,095.03
  5. Step 5: Solve for x
    x = 231,787,929,186,095.03/20,373,357.60
  6. Step 6: Final answer
    x = 11,377,011.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.